<div>Informed consent was obtained from the patients also for the use of the
pictures in the manuscript. Ethical approval were waived for this
study because it is a report of a case, in which no experimental therapy
was prescribed.</div><div>Authors declare no conflict of interest.</div><ul><li><b>Author Contributions:</b> Mara Pinna participated in the
conception and design of the study, in bibliographic research and in
the selection of the articles, in the acquisition and analysis of
data. Martina S. Murgia participated in the drafting and revision of
the manuscripts and of the images. Cinzia Casu and Gloria Denotti
participated in critical revision. Germano Orrù and Cinzia Casu
participated in the correction of the paper and in the final approval
of the manuscript. All authors have read and accepted the published
version of the manuscript.</li><li><b>Funding:</b> This review received no external funding.</li><li><b>ORCID ID:</b></li></ul><div><div>Germano Orrù:<i>https://orcid.org/0000-0003-1032-4431</i>Gloria Denotti:<i>https://orcid.org/0000-0001-6946-9876</i>Murgia Martina :<i>https://orcid.org/0000-0002-0504-098X</i>Casu Cinzia :<i>https://orcid.org/0000-0002-7962-2712</i></div></div><div><b>Bibliography</b></div><ol><li>Luo, X., Wang, J., Zeng, X., &amp; Kuang, W. (2021). Research progress on
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